Notes on Marine Microorganisms

Notes on Marine Microorganisms - NotesonMarineMicroorganisms

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Notes on Marine Microorganisms Marine microorganisms (or marine microbes) are very small and simple. They are generally primary  producers in marine environments.   Virus Considered  nonliving  because they are not composed of cell Virus consist of a nucleic acid protected by a capsid o Capsid is an outer protein coat Viruses are small ranging from about 20 to 200 nanometers Viruses are parasites and they reproduce and develop only when they infect a living host cell In the seawater, viruses are common in deep-sea sediments Viruses can be sometimes responsible for diseases that affect marine organisms o Viruses infect marine organisms such as bacteria and phytoplankton Viral infections can cause cells to lyse Some types of viruses o Lysogenic viruses o Retroviruses o Bacteriophages   Bacteria Bacteria are unicellular and prokaryotic Some of the significant roles of bacteria o Bacteria can be autotrophs and a source of food Cyanobacteria are photosynthetic bacteria
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Notes on Marine Microorganisms - NotesonMarineMicroorganisms

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online